| 1. | The astronauts have special breathing apparatus
宇航员有特殊的呼吸装置。 |
| 2. | Fire department self - contained breathing apparatus program
消防部门自给式呼吸器设备规划 |
| 3. | Compressed air open - circuit self - contained breathing apparatus
压缩空气开路自含式呼吸器 |
| 4. | Oxygen - generating closed - circuit breathing apparatus
循环式氧气呼吸器 |
| 5. | Self - contained compressed air breathing apparatus
自给式空气呼吸器 |
| 6. | Compressed oxygen closed circuit self - contained breathing apparatus
压缩氧气闭路自带式呼吸器 |
| 7. | Open - circuit self - contained breathing apparatus for fire fighters
消防人员用环路自备呼吸装置 |
| 8. | Self - contained positive pressure air breathing apparatus for fire fighter
正压式消防空气呼吸器 |
| 9. | Have your breathing apparatus near you
保持放毒面具在附近 |
| 10. | Respiratory protective devices - compressed air for breathing apparatus
呼吸防护装置.呼吸装置压缩空气 |
